Patents by Inventor Helmut Romberg

Helmut Romberg has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Hydrogenation of coal
    Patent number: 4468315
    Abstract: A process for hydrogenating coal which has been mixed with oils, by bringing the coal slurry to the reaction pressure by pumping, heating the slurry and catalytically hydrogenating it with hydrogen, wherein some or all of the hot gases and vapors formed during hydrogenation are intimately re-mixed with the coal slurry in a plurality of stages. After the first mixing stage, the gases are freed from the product, and the product-free gases, especially hydrogen, are used as a thermal medium.
    Type: Grant
    Filed: January 7, 1982
    Date of Patent: August 28, 1984
    Assignee: BASF Aktiengesellschaft
    Inventor: Helmut Romberg
  • Nozzle with automatic switch-off
    Patent number: 4453577
    Abstract: A nozzle for filling containers with liquid, with automatic closing of the nozzle, when they are full, by means of a flow valve which is controllable by a delivery lever via a detachable connection. The connection is acted upon by a switching device which, according to the pressure in a pressure channel terminating at the outlet orifice of the nozzle, causes the valve to close.
    Type: Grant
    Filed: April 22, 1982
    Date of Patent: June 12, 1984
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Romberg, Horst Koerner